🚀 go-pugleaf

$B2,5W!w0&I2Bg3X$G$9!#(B


<E3rFFD.xu@info.sinet.ad.jp>$B$N5-;v$K$*$$$F(B
C00279@sinet.ad.jp$B$5$s$O=q$-$^$7$?!#(B

>>   $B>e$NFbMF$r4^$`5-;v$r8+$^$9$H!"FbMFE*$J$3$H$K$D$$$F$N%3%a%s%H$O!"(B
>> $B0l1~:Q$s$@$H$9$k$Y$-$H$-$N$h$&$G$9$M!#(B


  $B$=$N$h$&$G$9$M!#$^$"!"8e$O3Z$7$/$d$j$^$7$g$&!#(B
fj.lang.pascal $B$rA{$,$;$k$?$a$K(B (^^;;


>>   $B#P#C$N@$3&$G$O!"(BPascal$B$O(BDelphi$B$K$J$C$F$$$^$9$7!#(B


  $B$`$`!"$3$l$O!V(BDelphi $B$O(B Pascal$B!W$G$O$J$$$G$9$+!)(B
(Delphi is-a Pascal) $B$8$D$O!"$3$l$O<+L@$@$+$i(B $B!V(BPascal $B$O(B
Delphi$B!W$HAH$G!V(BPascal == Delphi$B!W(B(C $BN.$G$9(B)$B$H$$$&<gD%$@$C(B
$B$?$j$7$F!#$&!<$s?<$$(B...


>> $B2,5W$5$s$K!"FC$K(BPascal$B$r0-$/8+$?$$$H$$$&%P%$%"%9$r46$8$?<!Bh$G$9!#(B


  $B$$$d!<!"(BC++ $B$b0-$/8+$F$?$j$7$^$9$h(B (^^;; $B>\$7$/$O(B
fj.lang.c++ $B$r8fMw$/$@$5$$!"$b$&2a5n$N5-;v$O$[$H$s$I;D$C(B
$B$F$J$$$+$b$7$l$^$;$s$,!#(B


>> $B:G8e$K0l8@(B:
>> 
>>     Type
>>         TOL   = class  ...   end;            // override$B$N=`Hw(B 
>>         TOP   = class(TOL)  Pascal ... end;  // $B%/%i%97?$G$J$$$H7Q>5$G$-$J$$(B
>>         TVOP  = class(TOP) $B%S%8%e%"%k(B ... end;


  $B<B$O$3$l!"Mn$A$,$"$C$F(B...

    class Pascal
    {
    public:
        virtual void file_assign() = 0;
        // ...
    };

    class Ada : public Pascal { /* ... */ };
    class Cxx : public C, public Simula, public Ada { /* ... */ };

    Cxx gcc(GNU)$B!((B
    Pascal &pascal = gcc; // OK... $B2?$F$3$C$?(B

$B$G$b!"2,K\$5$s$O(B Delphi $B;H$&$+$i!"$3$&$$$&$3$H$O5/$3$i$J$$$s(B
$B$G$9$h$M!#9M$($l$P9M$($k$[$I9*L/$@(B... $B<:Ni$7$^$7$?!#(B

--
Email: okahisa@cs.ehime-u.ac.jp